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  • Eclipse 运行MapReduce 错误 以及参考解决方法

    Exception in thread "main" java.io.IOException: Error generating shuffle secret key
            at org.apache.hadoop.mapreduce.JobSubmitter.submitJobInternal(JobSubmitter.java:476)
            at org.apache.hadoop.mapreduce.Job$10.run(Job.java:1296)
            at org.apache.hadoop.mapreduce.Job$10.run(Job.java:1293)
            at java.security.AccessController.doPrivileged(Native Method)
            at javax.security.auth.Subject.doAs(Subject.java:415)
            at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1628)
            at org.apache.hadoop.mapreduce.Job.submit(Job.java:1293)
            at org.apache.hadoop.mapreduce.Job.waitForCompletion(Job.java:1314)
            at test123.EventCount.main(EventCount.java:93)
    Caused by: java.security.NoSuchAlgorithmException: HmacSHA1 KeyGenerator not available
            at javax.crypto.KeyGenerator.<init>(KeyGenerator.java:158)
            at javax.crypto.KeyGenerator.getInstance(KeyGenerator.java:207)
            at org.apache.hadoop.mapreduce.JobSubmitter.submitJobInternal(JobSubmitter.java:473)
            ... 8 more
            
            
            

    更换JRE System library ,换成jdk下面的jre,不要用外面的jre,因为jdk中的jre中才有生成秘钥的相关类



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  • 原文地址:https://www.cnblogs.com/TendToBigData/p/10501419.html
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